From Modena Italy. A Culinary Gift: A reduction of balsamic vinegar and concentrated grape juice, prepared Gia Russa Glaze is a treasured culinary gift to those who know how difficult it is to make it from scratch. Create seductively delicious culinary creations. Marinating. Dipping. Basting. Dressing. Sauteing. Drizzling. giarussa.com. Product of Italy.